package com.ybl.controller;


import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.ybl.common.BaseContext;
import com.ybl.common.R;
import com.ybl.entity.Employee;
import com.ybl.entity.User;
import com.ybl.service.UserService;
import com.ybl.utils.SMSUtils;
import com.ybl.utils.ValidateCodeUtils;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.util.DigestUtils;
import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import java.io.Serializable;
import java.util.Map;
import java.util.concurrent.TimeUnit;

@Slf4j
@RestController
@RequestMapping("/user")
public class UserController {
    @Autowired
    private UserService userService;

    @Autowired
    private RedisTemplate<Object,Object> redisTemplate;

    /**
     * 发送手机短信验证码
     */
    @PostMapping("/sendMsg")
    public R<String> sendMsg(@RequestBody User user, HttpSession session) {
        String phone = user.getPhone();
        if (StringUtils.isNotEmpty(phone)) {
            //生成随机的4位验证码
            String code = ValidateCodeUtils.generateValidateCode(4).toString();
            log.info("code={}", code);
            //调用阿里云提供的短信服务API完成发送短信
//            SMSUtils.sendMessage(phone, code);
//            需要将生成的验证码保存到Session
            //存到redis
            redisTemplate.opsForValue().set(phone,code,5,TimeUnit.MINUTES);
            //session.setAttribute(phone, code);
            return R.success("短信发送成功");
        }
        return R.error("短信发送失败");
    }

    /**
     * 移动端用户登录
     */
    @PostMapping("/login")
    public R<User> login(@RequestBody Map map, HttpSession session) {
        log.info("移动端用户登录:" + map.toString());
        String phone = map.get("phone").toString();
        String code = map.get("code").toString();
        //从Session中获取保存的验证码
        //Object codeInSession = session.getAttribute(phone);
        //从redis中获取保存的验证码
        Object codeInSession = redisTemplate.opsForValue().get(phone);
        //进行验证码的比对（页面提交的验证码和Session中保存的验证码比对）
        if (codeInSession != null && codeInSession.equals(code)) {
            //如果能够比对成功，说明登录成功
            LambdaQueryWrapper<User> queryWrapper = new LambdaQueryWrapper<>();
            queryWrapper.eq(User::getPhone, phone);
            User user = userService.getOne(queryWrapper);
            if (user == null) {
                //判断当前手机号对应的用户是否为新用户，如果是新用户就自动完成注册
                user = new User();
                user.setPhone(phone);
                user.setName("餐掌柜"+phone.substring(7));
                user.setStatus(1);
                user.setSex("1");
                userService.save(user);
            }
            session.setAttribute("user", user.getId());
            //删除redis中的验证码
            redisTemplate.delete(phone);
            return R.success(user);
        }
        return R.error("登录失败");
    }

    /**
     * 用户登出功能
     */
    @PostMapping("/loginout")
    public R<String> loginout(HttpServletRequest request) {
        request.getSession().removeAttribute("user");
        return R.success("退出成功");
    }

    /**
     * 用户信息分页查询
     */
    @GetMapping("/page")
    public R<Page> page(Integer page, Integer pageSize, String phone) {
        log.info("用户信息分页查询:page = {},pageSize = {},phone = {}", page, pageSize, phone);
        Page pageInfo = new Page(page, pageSize);
        LambdaQueryWrapper<User> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.like(StringUtils.isNotEmpty(phone), User::getPhone, phone);
        userService.page(pageInfo, queryWrapper);
        return R.success(pageInfo);
    }

    /**
     * 根据id修改用户信息
     */
    @PutMapping
    public R<String> update(@RequestBody User user) {
        long id = Thread.currentThread().getId();
        log.info("线程id为：{}", id);
        log.info(user.toString());
        userService.updateById(user);
        return R.success("信息修改成功");
    }

    /**
     * 删除用户
     */
    @DeleteMapping
    public R<String> delete(HttpServletRequest request,@RequestParam Long id) {
        log.info("删除用户：{}", id);
        userService.removeById(id);
        return R.success("删除成功");
    }

    /**
     * 获取用户信息
     */
    @GetMapping("/getuser")
    public R<User> getuser(HttpServletRequest request) {
        Long userId = BaseContext.getCurrentId();
        log.info("获取用户：{}", userId);
        LambdaQueryWrapper<User> lambdaQueryWrapper = new LambdaQueryWrapper<>();
        lambdaQueryWrapper.eq(User::getId,userId);
        final User one = userService.getOne(lambdaQueryWrapper);
        return R.success(one);
    }
}
